Until recently, the waterproof body is usually the characteristics of rugged smartphones or feature phones. But now flagship models are usually advertised as having IP ratings good enough to guarantee protection from water and dust. In case you don’t know, IP stands for “Ingress Protection”. They are used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies (tools, dirt etc) and moisture. Today, most mobile phones with IP ratings are usually IP67 certified, and one of such phones advertised as having an IP 67 rating is the Huawei Mate 10 Pro.

That IP67 rating was seriously put to test recently in a manner that we’d never have expected. The smartphone was inserted into a bowl of water while a video was playing and then the bowl was kept in a freezer for four hours reaching up to a temperature of -24 degree Celcius. All these while, the Mate 10 Pro was being monitored to see if it will go off. At the end of four hours, the smartphone was removed from the freezer and after the ice thawed, the smartphone still kept working. Even after such an extreme test!

Even though we don’t recommend trying this at home, the test goes to show how durable the Mate 10 Pro is. Despite the waterproof body claim which has now been proven, damage to phone caused by water isn’t covered by warranty and that is clearly stated on the warranty card of most IP67-certified phones. So, the phone maker takes no responsibility for any damage caused by insertion in water. You can find out more details of the test from the source link below.